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September Weather in Boliden, Sweden

Last updated: August 27, 2025

In Boliden, Sweden, the average temperature in September hovers around 9°C (48°F). Temperatures can fluctuate from a chilly -4°C (24°F) to a pleasant 22°C (73°F). Expect 65 mm (2.5 in) of precipitation spread over 10 days, contributing to an average humidity of 88%. Stay prepared for a mix of brisk and mild weather!

September Temperature in Boliden

In September in Boliden, the average temperature is 9°C (48°F), with maximums reaching up to 22°C (73°F) and minimums dropping as low as -4°C (24°F). This diverse temperature range makes it essential for travelers to pack layers to stay comfortable throughout their visit.

September Weather in Boliden: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Boliden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boliden, September typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (73°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec181826354658615748382823
Data source: Temperature data for Boliden generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Boliden

In Boliden in September, the total precipitation amount is 65 mm (2.5 in) over the course of 10 days.

September Precipitation Trends in Boliden

The chart displays monthly precipitation patterns in Boliden, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Boliden, September typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec544039304958818465865168
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Boliden

In Boliden in September, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

September Average Humidity in Boliden

This chart illustrates the average monthly humidity levels in Boliden, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Boliden is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%90%84%82%78%82%84%88%92%93%96%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Boliden

In Boliden in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Boliden, you can check the information here.

Maximum UV Index Levels in Boliden for September

The chart shows the monthly maximum UV Index (UVI) for Boliden in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Boliden typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356643211
Data source: Boliden September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Boliden Compares to Other Months

Weather in Boliden varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Boliden, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Boliden, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)54 mm (2.1 inches)97%low
February Weather-8°C (18°F)40 mm (1.6 inches)95%low
March Weather-3°C (27°F)39 mm (1.6 inches)90%low
April Weather2°C (35°F)30 mm (1.2 inches)84%moderate
May Weather8°C (46°F)49 mm (1.9 inches)81%moderate
June Weather14°C (58°F)58 mm (2.3 inches)78%high
July Weather16°C (61°F)81 mm (3.2 inches)82%high
August Weather14°C (58°F)84 mm (3.3 inches)84%moderate
September Weather9°C (48°F)65 mm (2.5 inches)88%moderate
October Weather3°C (38°F)86 mm (3.4 inches)92%low
November Weather-2°C (29°F)51 mm (2.0 inches)93%low
December Weather-5°C (23°F)68 mm (2.7 inches)96%low

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